... , Tangshan huida(Group) Sanitation Co., Ltd., Tangshan Hexiang(Group) Lingxiang Commerce & Trading Co., Ltd, Tangshan Hexiang Refractory Materials Co., Ltd., Tangshan Hexiang Import& Export Co., Ltd.,In 2002, company authorized ... Prize for Progressing of Science& Technology” issued by provincial and city “Chinese and foreign famous brand” that running years. “HeXiang” is ...